Questions - OpenCV Q&A Forum

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2016-04-10 22:44:17 -0600 Tetragramm

Using OpenCV4Android, how to blur a part of an image?

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2016-04-20 08:43:08 -0600 sturkmen

How to create an ROI (Region-Of-Interest or submat) from a contour?

411

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2016-06-27 14:51:16 -0600 Solace

Why is the drawContour() in OpenCV generating this strange Mask?

215

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2016-06-24 13:12:11 -0600 jojo94

how to use opencv4android pca to train svm model? [closed]

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2016-06-26 09:38:52 -0600 sturkmen

How to draw contours INSIDE the edges of detected shape/blob?

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2016-06-28 00:02:26 -0600 berak

Converting histogram Mat to BitMap - Getting OpenCV Error (src.type() == CV_8UC1 || src.type() == CV_8UC3 || src.type() == CV_8UC4)

881

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2016-06-26 18:46:10 -0600 Solace

Why does calcHist() method create an empty black histogram Mat?

779

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no

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2016-06-26 18:44:38 -0600 Solace

Why am I getting this Assertion Failed error in my calcHist() call? [closed]

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2016-07-23 10:27:27 -0600 Solace

9 questions

Using OpenCV4Android, how to blur a part of an image?

How to create an ROI (Region-Of-Interest or submat) from a contour?

Why is the drawContour() in OpenCV generating this strange Mask?

how to use opencv4android pca to train svm model? [closed]

How to draw contours INSIDE the edges of detected shape/blob?

Converting histogram Mat to BitMap - Getting OpenCV Error (src.type() == CV_8UC1 || src.type() == CV_8UC3 || src.type() == CV_8UC4)

Why does calcHist() method create an empty black histogram Mat?

Why am I getting this Assertion Failed error in my calcHist() call? [closed]

Is it possible to overlay a transparent image over a live camera view, such that it is overlayed over the captured photo as well?

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